Coal Mill

Coal Mill

Coal mill is an important auxiliary equipment for coal-powder furnace, it has three methods to crush the coal lump and grind them into powder,it is crushing, impacting and grinding.Air swept coal mill is the main equipment in cement plant for both drying and grinding of the powders. Compared with the ordinary ball mill, it has advantages of higher capacity, more convenient operation, safer usage, and more reliable performance.

Application of Coal Mill

Coal mill is used to grind, pulverize and dry coal before the coal is transmitted the boiler. The coal is feed into the coal mill via a inlet pipe so that the roller coal mill such as ball mill or vertical mill can pulverize the coal into particles.

Technical data

Coal Mill
Model specification (m) Capacity (t/h) Rotating speed
(r/min)
Transmission type Motor Reducer Weight(t)
Remark Model Power
(kw)
Model Reduction ratio
Ø2.2×3 5-6 22 Edge YR355M-8 185 ZD50 5 37
Ø2.2×4.4 8-9 22 Edge YR355M-6 220 ZDH50 6.3 46
Ø2.4×4.75 14 20.4 Edge YR400-8 280 ZD60 4.5 54
Ø2.4×4+2 10-12 20.2 Edge YRKK450-8 250 ZDY35580 4.5 59
Ø2.4×4.5+2 16-17 20.4 Edge YR4005-8 280 JDX-450 4.5 76
Ø2.6×4.8+2 9-10 20 Edge YRKK5002-8 400 RZD75 4.5 91
Ø2.6×5.25+2.25 13-14 19.7 Edge YRKK500-8 400 ZDY400-4.5-11 4.5 98
Ø2.8×5+3 8-10 18.9 Edge JRQ1512-10 480 MCD-70 3.55 107
Ø3×9 18-20 18.3 Edge YBKK5560-8 630 MBY560 5 124
Ø3.2×9.5 28 17 Edge YR800-8/1180 800 NFM710 6.3 140
Ø3.4×5.25+2.8 30 17.47 Edge YRKK-56-6 900 JDX-800 7.157 169 Exclude main transmission
Ø3.8×7.25+3.5 41-43 16.7 Edge YR630-8 1400 MBY800 5.6 220